running

#!/usr/bin/php
<?php

if (PHP_SAPI !== 'cli')
{
	die('this is a CLI script.');
}

echo 'OPGESTART:', RelativeTime(`sysctl kern.boottime | awk '{print $5}' | sed "s/,//"`);

function RelativeTime($timestamp, $colors = TRUE){
    $difference = time() - $timestamp;
    $periods = array("seconde", "minuut", "uur", "dag", "week", "maand", "jaar", "decennium");
    $periods_mv = array("seconden", "minuten", "uur", "dagen", "weken", "maanden", "jaar", "decennia");
    $lengths = array("60","60","24","7","4.35","12","10");

    if ($difference > 0) {
        $ending = "geleden";
    } else {
        $difference = -$difference;
        $ending = "te gaan";
    }       
    for($j = 0; $difference >= $lengths[$j]; $j++) $difference /= $lengths[$j];
    $difference = round($difference);
    if($difference != 1) $periods[$j] = $periods_mv[$j];

	$text = "\033[0;36m".$difference." ".strtolower($periods[$j])."\033[0m ".strtolower($ending);
    return $text;
}